Display screen with a graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen with agraphical user interface showing the new design;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof;

FIG. 4 is a front view of a fourth embodiment thereof; and,

FIG. 5 is a front view of a fifth embodiment thereof.

The broken line showing of the outermost rectangle in the drawingsdepicts environmental subject matter and forms no part of the claimeddesign. The remaining broken lines illustrate portions of the displayscreen with a graphical user interface that form no part of the claimeddesign.

CLAIM We claim the ornamental design for a display screen with agraphical user interface, as shown and described.